Closed subway stations and the Small Belt tracks around Paris.

Andre Quintanar's site on closed subway stations in Paris, France.

Group sharing photos from urban exploring in France.

Features urban and industrial photography around Paris.

History, pictures and maps of the catacombs in Paris.

Advice, laws, maps, pictures and humour related to the Parisian catacombs.

Studying the artificial underground cavities, mainly the refuges and the religious underground passages. Also the underground quarries, cave dwellings and troglodytic sanctuaries. Mainly France, but also Turkey, Spain, Bulgaria.

Photo galleries related to underground and topside sites in France.